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V3 Product tree
last update: Sep 09 th 2026
status: draft active
Important: Use only the LIR2032 rechargeable battery — not a standard CR2032. The LIR2032 operates at 3.7V, slightly higher than the CR2032's 3V, and the circuit is designed specifically for this voltage."
Every part carries our unique part number — listed at the end of each branch in the product tree. Yellow branches are purchased parts. Blue branches are 3D printed parts. The same P/N appears in the BOM, where you'll find the part description, quantity, price, and supplier link all in one row. Find a part on the tree, locate it instantly in the BOM, and follow the supplier link directly to the source.
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